Description
The Texas Instruments UC3845D is a microcontroller-based PWM controller IC designed for high-efficiency DC-DC conversion in various applications, including power supplies, LED drivers, and industrial control systems. It features synchronous rectification, error flags, and overcurrent protection for reliable operation.
This IC offers high-power density, low standby current, and flexible frequency range, making it suitable for small size solutions. Its digital signal processing capabilities enable precision control, while cycle-by-cycle current limiting ensures safe operation. The UC3845D also features soft-start input for gradual turn-on and fault-tolerant operation for reliability.
In summary, the UC3845D is a versatile PWM controller IC that provides high efficiency, flexibility, and reliability in various power management applications.
Features
The UC3845D features include:
- Microcontroller-based power supplies
- Synchronous rectification for high efficiency
- Error flags for monitoring status
- High-efficiency DC-DC conversion
- PWM control for reliable power
- Overcurrent protection for safe operation
- Soft-start input for gradual turn-on
- Pulse-width modulation for efficient power transfer
- Fault-tolerant operation for reliability
These features make the UC3845D suitable for various applications such as switch mode supplies, LED drivers, industrial power supplies, solar inverters, battery chargers, and automotive electronics.
Package
The package type of UC3845D is SOIC-14 (Small Outline Integrated Circuit - 14 pins).
Pinout
The UC38D5 is a PWM controller IC from Texas Instruments, designed for microcontroller-based power supplies. It has a SOIC-14 package with 14 pins.
Here's the pinout:
1. VCC: Power supply voltage
2. GND: Ground
3. COMP: Compensation input
4. FB: Feedback input
5. OUT: Output
6. SYNC: Synchronization input
7. CLR: Clear input
8. SET: Set input
9-14: Unused
The UC38D5 is a high-efficiency DC-DC converter with synchronous rectification, overcurrent protection, and error flags for monitoring status. It's suitable for applications such as LED drivers, switch mode supplies, and industrial power supplies.
Manufacturer
The manufacturer of the UC3845D is Texas Instruments (TI). Texas Instruments is a US-based technology company that specializes in developing and manufacturing analog, embedded processing, digital signal processing, and other semiconductor innovations. TI offers a wide range of products, including integrated circuits, sensors, high-performance processors, and microcontrollers, which are used in various industries such as automotive, consumer electronics, healthcare, industrial, industrial lighting, aerospace, defense, and communications.
Applications
The UC3845D is a PWM controller IC suitable for various applications, including:
- Power supply solutions
- LED driver efficiency
- Switch mode supplies
- Industrial power supplies
- Solar inverter use
- Battery charger design
- Automotive electronics
It's an efficient and reliable component for managing power in various electronic devices.
Equivalent
Based on my analysis, the equivalent products of UC3845D are:
- UC3854A
- UC3847A
- UC3848A
- UC3849A
These products share similar features such as PWM control, synchronous rectification, and overcurrent protection, making them suitable alternatives for applications requiring high-efficiency DC-DC conversion.
Payment
Shipping & Packing
Warranty
Received all in full, as the seller-100 pieces. plus two pieces bonus. the seller recommend.